/Engine/Plugins/Experimental/RenderGrid/Source/RenderGrid/Public/Utils/RenderGridUtils.h
Returns a job output directory that's a usable valid filesystem path. Replaces string "{project_dir}" by the project directory.
static [FString](API\Runtime\Core\Containers\FString) DenormalizeJobOutputDirectory ( const [FString](API\Runtime\Core\Containers\FString) & NormalizedOutputDirectory )